What software to use for virtual currency K line

F5 is the switch key between the real-time trend chart and the K-line. After you select a stock, press F5 to switch to the daily K-line chart. Then right click the mouse: right - forward right. The K-line reflects the real trend of stock price. Press and hold the left direction key, the K-line graph will run continuously to the right, and the previous historical K-line will be displayed. If you want to view the K-line of a long time ago, you can continuously press the down direction key to make the K-line diagram smaller, and then move the mouse on the K-line, and the date will be displayed on the K-line diagram. You can quickly find the K line you need, and then press the up direction key to enlarge the K line, you can see more clearly. The following figure shows the K line of PetroChina on April 28, 2015